Abnormality in Flow Volume Loop of Obstructive Index Reflects the Extent of Emphysema and Disease Severity in Obstructive Lung Diseases
Mochizuki, F; Iijima, H; Keiji, F; Shimada, T; Watanabe, A; Shiigai, M; Ishikawa, H; Kanazawa, J; Yatagai, Y; Masuko, H; Sakamoto, T; Oguma, T; Sato, S; Muro, S; Hizawa, N
AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE, 2018